Alert archive / New York / Special Weather Statements in 2023

Special Weather Statement, NWS Buffalo, NY

August 12, 2023Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Aug 12, 2023, 1:33 PM EDT for Lewis County, New York. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 12, 2023, 1:33 PM EDT (17:33 UTC)
Expired
Aug 12, 2023, 2:30 PM EDT
In force
57 min
Issued by
NWS Buffalo, NY
Hail
0.75 in
Wind
55

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 28 km from the middle of the area, began a volume at 17:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.6 hours before the alert went out and 259 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2023-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2023-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
270 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at Aug 12, 10:37 AM EDT, 2 hours 56 minutes earlier.

Area forecast discussion, Aug 12, 10:37 AM EDT, 2 hours 56 minutes before
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Hazardous weather outlook, Aug 12, 12:59 PM EDT, 34 minutes before
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In the hours before

Special weather statement, Aug 12, 11:15 AM EDT, 2 hours 18 minutes before
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Special weather statement, Aug 12, 12:15 PM EDT, 1 hour 18 minutes before
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Special weather statement, Aug 12, 12:30 PM EDT, 1 hour 3 minutes before
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Special weather statement, Aug 12, 1:33 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
133 PM EDT Sat Aug 12 2023

NYZ006-008-121830-
Oswego NY-Lewis NY-
133 PM EDT Sat Aug 12 2023

...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN LEWIS AND EAST CENTRAL
OSWEGO COUNTIES THROUGH 230 PM EDT...

At 133 PM EDT, Doppler radar was tracking a strong thunderstorm near
Camden, moving northeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Redfield, Whetstone Gulf State Park, Highmarket, Lyonsdale, Greig,
Port Leyden, Lyons Falls, Constableville, Turin, Osceola, West
Leyden, Mohawk Hill, North Osceola, Swancott Mill, Talcottville, and
Brantingham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Tornado Watch remains in effect until 900 PM EDT for central New
York.

&&

LAT...LON 4342 7553 4348 7581 4340 7585 4349 7594
      4379 7533 4357 7521
TIME...MOT...LOC 1733Z 235DEG 31KT 4341 7577

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...55 MPH

Apffel

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 4:20 AM EDTSmall Craft AdvisoryBUF18 hr
Aug 12, 4:31 AM EDTBeach Hazards StatementBUFErie13 hr
Aug 12, 10:44 AM EDTSpecial Marine WarningBUF61 min
Aug 12, 11:15 AM EDTSpecial Weather StatementBUFNiagara, Orleans60 min
Aug 12, 11:38 AM EDTSpecial Marine WarningBUF52 min
Aug 12, 11:56 AM EDTSpecial Marine WarningBUF64 min
Aug 12, 12:15 PM EDTSpecial Weather StatementBUFOswego30 min
Aug 12, 12:30 PM EDTSpecial Weather StatementBUFWyoming30 min
Aug 12, 12:36 PM EDTSevere Thunderstorm WarningBUFErie, Livingston, Wyoming54 min
Aug 12, 1:19 PM EDTSpecial Marine WarningBUF56 min
Aug 12, 1:41 PM EDTSevere Thunderstorm WarningBUFLewis46 min
Aug 12, 2:07 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego53 min
Aug 12, 3:43 PM EDTSpecial Weather StatementBUFJefferson62 min
Aug 12, 5:17 PM EDTSpecial Weather StatementBUFLewis43 min
Aug 12, 5:25 PM EDTSevere Thunderstorm WarningBUFLewis35 min
Aug 12, 6:29 PM EDTSpecial Marine WarningBUF61 min
Aug 12, 6:55 PM EDTSpecial Weather StatementBUFOrleans35 min
Aug 12, 6:57 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego63 min
Aug 12, 6:58 PM EDTSpecial Marine WarningBUF32 min
Aug 12, 7:01 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego44 min
Aug 12, 7:03 PM EDTSpecial Marine WarningBUF42 min
Aug 12, 7:23 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis67 min
Aug 12, 7:27 PM EDTSpecial Marine WarningBUF33 min
Aug 12, 7:29 PM EDTTornado WarningBUFOswego35 min
Aug 12, 7:44 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego61 min

Nearby

Special Weather Statements in New York, 2023Every special weather statement in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.